Fig. (2)
Wettability of the Al
2
O
3
-SiO
2
oxides by Nb-containing melts in dependence on SiO
2
content in the oxide (● - Ni- 40.5at.%Nb, 1250 °C; ■ - Au-10at.%Nb, 1250 °C; ♦ - Au- 20at.%Nb, 1320 °C).
